# Otto Peterka
**Wikidata**: [Q55858656](https://www.wikidata.org/wiki/Q55858656)  
**Source**: https://4ort.xyz/entity/q55858656


## References

1. Czech National Authority Database
2. Students of the Universities of Prague 1882–1945
3. Integrated Authority File
4. Catalog of the German National Library
5. Deutsche Biographie
6. Österreichisches Biographisches Lexikon 1815–1950
7. NUKAT
8. Bibliography of the History of the Czech Lands